On a road trip, drove at a speed of 60 miles per hour for the first two hours. she then increased her speed by 25%. how fast was maura driving after she increased her speed

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio